Home / 52,311.35-72,188.81-28,438.63

Finding the Fourth Proportional to 52,311.35, 72,188.81 and 28,438.63

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Solution

The fourth proportional to 52,311.35, 72,188.81 and 28,438.63 is: 39,244.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,311.35 : 72,188.81 = 28,438.63 : x
  2. Step 2: Convert to fraction form
    52,311.35/72,188.81 = 28,438.63/x
  3. Step 3: Cross multiply
    52,311.35x = 72,188.81 × 28,438.63
  4. Step 4: Simplify right side
    52,311.35x = 2,052,950,857.73
  5. Step 5: Solve for x
    x = 2,052,950,857.73/52,311.35
  6. Step 6: Final answer
    x = 39,244.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.